| Invention or discovery | Date | Inventor or discoverer |
|---|---|---|
| NGC 2048 | September 24, 1826 | James Dunlop |
| NGC 2052 | 1834 | John Frederick William Herschel |
| NGC 2078 | 1834 | John Frederick William Herschel |
| NGC 3582 | March 14, 1834 | John Frederick William Herschel |
| NGC 1936 | November 23, 1834 | James Dunlop |
| NGC 1965 | January 31, 1835 | John Frederick William Herschel |